If

“For a long time,’ Nico said, ‘I had a crush on you. I just wanted you to know.’ Percy looked at Nico. Then at Annabeth, as if to check that he’d heard correctly. Then back at Nico.

‘You –’

‘Yeah,’ Nico said. ‘You’re a great person. But I’m over that. I’m happy for you guys.’

‘You … so you mean –’

‘Right.’

Annabeth’s grey eyes started to sparkle. She gave Nico a sideways smile.

‘Wait,’ Percy said. ‘So you mean –’

‘Right,’ Nico said again. ‘But it’s cool. We’re cool. I mean, I see now … you’re cute, but you’re not my type.’

‘I’m not your type … Wait. So –’

‘See you around, Percy,’ Nico said.”
― Rick Riordan, The Blood of Olympus

“…but Sassenach—I am the true home of your heart, and I know that.”

He lifted my hands to his mouth and kissed my upturned palms, one and then the other, his breath warm and his beard-stubble soft on my fingers.

“I have loved others, and I do love many, Sassenach—but you alone hold all my heart, whole in your hands,” he said softly. “And you know that.”
― Diana Gabaldon, Written in My Own Heart's Blood

“Nico studied his face – his sea-green eyes, his grin, his ruffled black hair. Somehow Percy Jackson seemed like a regular guy now, not a mythical figure. Not someone to idolize or crush on.”
― Rick Riordan, The Blood of Olympus

“Correct." Kekrops sounded bitter, like he regretted his decision. "My people were the original Athenians--the gemini."
"Like your zodiac sign?" Percy asked. "I'm a Leo."
"No, stupid," Leo said. "I'm a Leo. You're a Percy.”
― Rick Riordan, The Blood of Olympus